Prolonged central venous catheterization through the saphenous vein.
D002404:Catheterization / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D010288:Parenteral Nutrition / Q000379:methods*; D010289:Parenteral Nutrition, Total / Q000009:adverse effects / Q000379:methods*; D012501:Saphenous Vein; D013927:Thrombosis / Q000209:etiology; D014683:Vena Cava, Superior